Responded to feedback from Andrew Ross, fixed typo, spelling, added s…

…hudownNow() and Thread.currentThread().interrupt()

Signed-off-by: Chengwu Shi <chengwu.shi@netapp.com>

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased 2.x]
 ### Added
-- Added support for Azure Managed Identity in repository-azure ([#12423](https://github.com/opensearch-project/OpenSearch/issues/12423))
+- Add support for Azure Managed Identity in repository-azure ([#12423](https://github.com/opensearch-project/OpenSearch/issues/12423))
 - Add useCompoundFile index setting ([#13478](https://github.com/opensearch-project/OpenSearch/pull/13478))
 
 ### Dependencies

plugins/repository-azure/src/main/java/org/opensearch/repositories/azure/AzureStorageService.java

@@ -336,9 +336,11 @@ public void close() throws IOException {
         this.executor.shutdown();
         try {
             if (this.executor.awaitTermination(30, TimeUnit.SECONDS) == false) {
-                logger.warning("The executor was not shutdown gracefuly with 30 seconds");
+                this.executor.shutdownNow();
+                logger.warning("The executor was not shutdown gracefully with 30 seconds");
             }
         } catch (final InterruptedException ex) {
+            Thread.currentThread().interrupt();
             throw new IOException(ex);
         }
     }